/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.tencent.tws.assistant.internal.view.menu;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.view.ActionProvider;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;


/**
 * @hide
 */
public class ActionMenuItem implements MenuItem {
	private final int mId;
	private final int mGroup;
	private final int mCategoryOrder;
	private final int mOrdering;

	private CharSequence mTitle;
	private CharSequence mTitleCondensed;
	private Intent mIntent;
	private char mShortcutNumericChar;
	private char mShortcutAlphabeticChar;

	private Drawable mIconDrawable;
	private int mIconResId = NO_ICON;

	private Context mContext;

	private MenuItem.OnMenuItemClickListener mClickListener;

	private static final int NO_ICON = 0;

	private int mFlags = ENABLED;
	private static final int CHECKABLE = 0x00000001;
	private static final int CHECKED = 0x00000002;
	private static final int EXCLUSIVE = 0x00000004;
	private static final int HIDDEN = 0x00000008;
	private static final int ENABLED = 0x00000010;

	public ActionMenuItem(Context context, int group, int id, int categoryOrder, int ordering, CharSequence title) {
		mContext = context;
		mId = id;
		mGroup = group;
		mCategoryOrder = categoryOrder;
		mOrdering = ordering;
		mTitle = title;
	}

	public char getAlphabeticShortcut() {
		return mShortcutAlphabeticChar;
	}

	public int getGroupId() {
		return mGroup;
	}

	public Drawable getIcon() {
		return mIconDrawable;
	}

	public Intent getIntent() {
		return mIntent;
	}

	public int getItemId() {
		return mId;
	}

	public ContextMenuInfo getMenuInfo() {
		return null;
	}

	public char getNumericShortcut() {
		return mShortcutNumericChar;
	}

	public int getOrder() {
		return mOrdering;
	}

	public SubMenu getSubMenu() {
		return null;
	}

	public CharSequence getTitle() {
		return mTitle;
	}

	public CharSequence getTitleCondensed() {
		return mTitleCondensed;
	}

	public boolean hasSubMenu() {
		return false;
	}

	public boolean isCheckable() {
		return (mFlags & CHECKABLE) != 0;
	}

	public boolean isChecked() {
		return (mFlags & CHECKED) != 0;
	}

	public boolean isEnabled() {
		return (mFlags & ENABLED) != 0;
	}

	public boolean isVisible() {
		return (mFlags & HIDDEN) == 0;
	}

	public MenuItem setAlphabeticShortcut(char alphaChar) {
		mShortcutAlphabeticChar = alphaChar;
		return this;
	}

	public MenuItem setCheckable(boolean checkable) {
		mFlags = (mFlags & ~CHECKABLE) | (checkable ? CHECKABLE : 0);
		return this;
	}

	public ActionMenuItem setExclusiveCheckable(boolean exclusive) {
		mFlags = (mFlags & ~EXCLUSIVE) | (exclusive ? EXCLUSIVE : 0);
		return this;
	}

	public MenuItem setChecked(boolean checked) {
		mFlags = (mFlags & ~CHECKED) | (checked ? CHECKED : 0);
		return this;
	}

	public MenuItem setEnabled(boolean enabled) {
		mFlags = (mFlags & ~ENABLED) | (enabled ? ENABLED : 0);
		return this;
	}

	public MenuItem setIcon(Drawable icon) {
		mIconDrawable = icon;
		mIconResId = NO_ICON;
		return this;
	}

	public MenuItem setIcon(int iconRes) {
		mIconResId = iconRes;
		mIconDrawable = mContext.getResources().getDrawable(iconRes);
		return this;
	}

	public MenuItem setIntent(Intent intent) {
		mIntent = intent;
		return this;
	}

	public MenuItem setNumericShortcut(char numericChar) {
		mShortcutNumericChar = numericChar;
		return this;
	}

	public MenuItem setOnMenuItemClickListener(OnMenuItemClickListener menuItemClickListener) {
		mClickListener = menuItemClickListener;
		return this;
	}

	public MenuItem setShortcut(char numericChar, char alphaChar) {
		mShortcutNumericChar = numericChar;
		mShortcutAlphabeticChar = alphaChar;
		return this;
	}

	public MenuItem setTitle(CharSequence title) {
		mTitle = title;
		return this;
	}

	public MenuItem setTitle(int title) {
		mTitle = mContext.getResources().getString(title);
		return this;
	}

	public MenuItem setTitleCondensed(CharSequence title) {
		mTitleCondensed = title;
		return this;
	}

	public MenuItem setVisible(boolean visible) {
		mFlags = (mFlags & HIDDEN) | (visible ? 0 : HIDDEN);
		return this;
	}

	public boolean invoke() {
		if (mClickListener != null && mClickListener.onMenuItemClick(this)) {
			return true;
		}

		if (mIntent != null) {
			mContext.startActivity(mIntent);
			return true;
		}

		return false;
	}

	public void setShowAsAction(int show) {
		// Do nothing. ActionMenuItems always show as action buttons.
	}

	public MenuItem setActionView(View actionView) {
		throw new UnsupportedOperationException();
	}

	public View getActionView() {
		return null;
	}

	@Override
	public MenuItem setActionView(int resId) {
		throw new UnsupportedOperationException();
	}

	@Override
	public ActionProvider getActionProvider() {
		return null;
	}

	@Override
	public MenuItem setActionProvider(ActionProvider actionProvider) {
		throw new UnsupportedOperationException();
	}

	@Override
	public MenuItem setShowAsActionFlags(int actionEnum) {
		setShowAsAction(actionEnum);
		return this;
	}

	@Override
	public boolean expandActionView() {
		return false;
	}

	@Override
	public boolean collapseActionView() {
		return false;
	}

	@Override
	public boolean isActionViewExpanded() {
		return false;
	}

	@Override
	public MenuItem setOnActionExpandListener(OnActionExpandListener listener) {
		// No need to save the listener; ActionMenuItem does not support
		// collapsing items.
		return this;
	}

	/* tws-start::added 2012-09-18 */
	public void setSelected(boolean selected) {
	}

	public boolean isSelected() {
		return false;
	}
	/* tws-end::added 2012-09-18 */
}
